Alloy, particularly wire for spectacles frame

摘要

Alloy contains (in wt.%): 3-7 zinc, 2-5 manganese, 2-6 aluminum, 0.8-3 iron, 0.3-0.8 silicon, and a balance of copper. Preferred Features: The alloy contains (in wt.%): 4.5-5.0 zinc, 4.5-5.0 manganese, 5.0-5.5 aluminum, 1.7-2.0 iron, 0.3-0.5 silicon, and a balance of copper.